| Parasierola cellularis var. alutacea Kieffer, 1906 |
| Parasierola cellularis var. gracilicornis Kieffer, 1906 |
| Parasierola cellularis var. punctaticeps Kieffer, 1906 |
| Parasierola distinguenda Kieffer, 1908 |
| Parasierola emigrata Rohwer, 1917 |
| Parecitropia Ogloblin, 1930 |
| Parepyris Kieffer, 1913 |
| Perisemus Förster, 1856 |
| Perisemus floridanus Ashmead, 1887 |
| Perisierola Kieffer, 1914 |
| Perisierola breviceps Krombein, 1954 |
| Perisierola cellularis Say, 1836 |
| Perisierola cellularis subsp. cellularis Say, 1836 |
| Plastanoxus Kieffer, 1905 |
| Plastanoxus leavis (Ashmead, 1893) |
| Pristocera Klug, 1808 |
| Pristocera (Neopristocera) Yasumatsu, 1955 |
| Pristocera alticola Kieffer, 1911 |
| Pristocera atra Klug, 1810 |
| Pristocera chihuahua Evans, 1963 |